The airport code for Isparta Süleyman Demirel Airport is ISE.
There is an airport called Süleyman Demirel Havaalanı, Isparta but I doubt that there are flights to there from every country. It might be only for domestic so you might fly to Istanbul then another flight to Isparta.
Here is a list of the IATA codes of the airports in Turkey:AIRPORT NAME / LOCATION / IATA CodeAtaturk International Airport / Istanbul /ISTAntalya Airport / Antalya / AYTSabiha Gokcen International Airport / Istanbul-Pendik / SAWEsenboga International Airport / Ankara / ESBAdnan Menderes Airport / Izmir / ADBDalaman Airport / Mugla-Dalaman /DLMMilas-Bodrum Airport / Mugla -- Bodrum / BJVAdana Sakirpaşa Airport / Adana / ADATrabzon Airport / Trabzon / TZXDiyarbakir Airport / Diyarbakir / DIYOguzeli Airport / Gaziantep-Oguzeli / GZTSamsun-Carsamba Airport / Samsun-Carsamba / SZFKayseri Erkilet Airport / Kayseri / ASRVan Ferit Melen Airport / Van / VANErzurum Airport / Erzurum / ERZHatay Airport / Hatay-Antakya / HTYKonya Airport / Konya / KYAMalatya Erhac Airport / Malatya / MLXElazig Airport / Elazig / EZSKars Airport / Kars / KSYMardin Airport / Mardin / MQMSanlıurfa Airport / Sanlıurfa / GNYBatman Airport / Batman / BALMus Airport / Mus / MSRNevsehir Kapadokya Airport / Nevsehir / NAVDenizli Cardak Airport / Denizli-Cardak / DNZErzincan Airport / Erzincan / ERCSivas Airport / Sivas / VASAdiyaman Airport / Adiyaman / ADFBursa Yenisehir Airport / Bursa-Yenisehir / YEITekirdag Corlu Airport / Tekirdag-Corlu / TEQAmasya Merzifon Airport/ Amasya-Merzifon / MZHEskisehir Anadolu Airport / Eskisehir / AOESinop Airport / Sinop / SICKahramanmaras Airport / Kahramanmaras / KCMBalikesir Körfez Airport / Balikesir-Edremit / EDOIsparta Suleyman Demirel Airport / Isparta / ISEZonguldak Airport / Zonguldak-Caycuma / ONQCanakkale Airport / Canakkale / CKZUsak Airport / Usak / USQ
Honolulu, HI - Honolulu Airport (HNL).
The airport code for Jammu Airport is IXJ.
The airport code for Shannon Airport is SNN.
The airport code for Miyako Airport is MMY.
The airport code for Zagreb Airport is ZAG.
There are 346 airports in India as of 2007 (paved and unpaved.) Here are the International Airports: Ahmedabad Airport Amritsar Airport Bangalore Airport Calicut Airport Chennai Airport Cochin Airport Delhi Airport Goa Airport Guwahati Airport Hyderabad Airport Jaipur Airport Kolkata Airport Mumbai Airport Nagpur Airport Trivandrum Airport
kuhkoh [airport] Narita airport kansai airport osaka airport Okinawa airport
Zagreb Airport Split Airport Rijeka Airport Osijek Airport Zadar Airport Dubrovnik Airport Pula Airport Bol Airport
The airport code for Gao International Airport is GAQ.
The airport code for Munich Airport is MUC.